Home / 1,235,448.72-1,704,919.94-691,585.56

Finding the Fourth Proportional to 1,235,448.72, 1,704,919.94 and 691,585.56

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Solution

The fourth proportional to 1,235,448.72, 1,704,919.94 and 691,585.56 is: 954,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,448.72 : 1,704,919.94 = 691,585.56 : x
  2. Step 2: Convert to fraction form
    1,235,448.72/1,704,919.94 = 691,585.56/x
  3. Step 3: Cross multiply
    1,235,448.72x = 1,704,919.94 × 691,585.56
  4. Step 4: Simplify right side
    1,235,448.72x = 1,179,098,014,485.75
  5. Step 5: Solve for x
    x = 1,179,098,014,485.75/1,235,448.72
  6. Step 6: Final answer
    x = 954,388.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.